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/*
* (C) Copyright 2001
* Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* W7O board level hardware watchdog.
*/
#include <common.h>
#include <config.h>
#ifdef CONFIG_HW_WATCHDOG
#include <watchdog.h>
void hw_watchdog_reset(void)
{
volatile ushort *hwd = (ushort *)(CONFIG_SYS_W7O_EBC_PB7CR & 0xfff00000);
/*
* Read the LMG's hwd register and toggle the
* watchdog bit to reset it. On the LMC, just
* reading it is enough, but toggling the bit
* doen't hurt either.
*/
*hwd = *hwd ^ 0x8000;
} /* hw_watchdog_reset() */
#endif /* CONFIG_HW_WATCHDOG */
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